frantic
mod. great; wild.We had a frantic time at Chez Freddy.That rally was really frantic.
freak (out)
a wild party of any type; any exciting happening. (Usually freak-out or freakout.)There is a big freak-out at Freddy's joint tonight.What a frantic freakout!
free-wheeling
mod. lacking restraint; flamboyant and uncontrolled.These high-spending, free-wheeling palm-pressers appear out of nowhere at election time.She's too free-wheeling.She's a freewheeling executive type.
hog-wild
mod. wild; boisterous.All the kids were completely hog-wild by the time I got there.Things got sort of hogwild while you were away.